Below you will find information about the services we offer and addresses to our Oakland and Tri-Valley office locations. An instrument number or book and page number or reel and image number is required to order a public record.The county recorder's office is the place of record for publicly filing official documents, usually related to property. In this section, you can find information and answers to the following questions: 1. Phong La serves as the 23rd Assessor for the County of Alameda, and is committed to making government work for the people of Alameda County. Fill out the new deed. Records may be requested in the following ways: 1) By submitting a request online via NextRequest. 1. What is a Living Trust? Completing the Business Property Statement (Form 571L). Appealing an Assessment.